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C++ bus_alloc_resources函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中bus_alloc_resources函数的典型用法代码示例。如果您正苦于以下问题：C++ bus_alloc_resources函数的具体用法？C++ bus_alloc_resources怎么用？C++ bus_alloc_resources使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了bus_alloc_resources函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: ti_edma3_attach

static int
ti_edma3_attach(device_t dev)
{
    struct ti_edma3_softc *sc = device_get_softc(dev);
    uint32_t reg;
    int err;
    int i;

    if (ti_edma3_sc)
        return (ENXIO);

    ti_edma3_sc = sc;
    sc->sc_dev = dev;

    /* Request the memory resources */
    err = bus_alloc_resources(dev, ti_edma3_mem_spec, sc->mem_res);
    if (err) {
        device_printf(dev, "Error: could not allocate mem resources\n");
        return (ENXIO);
    }

    /* Request the IRQ resources */
    err = bus_alloc_resources(dev, ti_edma3_irq_spec, sc->irq_res);
    if (err) {
        device_printf(dev, "Error: could not allocate irq resources\n");
        return (ENXIO);
    }

    /* Enable Channel Controller */
    ti_prcm_clk_enable(EDMA_TPCC_CLK);

    reg = ti_edma3_cc_rd_4(TI_EDMA3CC_PID);

    device_printf(dev, "EDMA revision %08x\n", reg);


    /* Attach interrupt handlers */
    for (i = 0; i < TI_EDMA3_NUM_IRQS; ++i) {
        err = bus_setup_intr(dev, sc->irq_res[i], INTR_TYPE_MISC |
                             INTR_MPSAFE, NULL, *ti_edma3_intrs[i].handler,
                             sc, &sc->ih_cookie[i]);
        if (err) {
            device_printf(dev, "could not setup %s\n",
                          ti_edma3_intrs[i].description);
            return (err);
        }
    }

    return (0);
}
开发者ID:cyrilmagsuci，项目名称:freebsd，代码行数:50，代码来源:ti_edma3.c


示例2: combiner_attach

static int
combiner_attach(device_t dev)
{
	struct combiner_softc *sc;
	int err;
	int i;

	sc = device_get_softc(dev);
	sc->dev = dev;

	if (bus_alloc_resources(dev, combiner_spec, sc->res)) {
		device_printf(dev, "could not allocate resources\n");
		return (ENXIO);
	}

	/* Memory interface */
	sc->bst = rman_get_bustag(sc->res[0]);
	sc->bsh = rman_get_bushandle(sc->res[0]);

	combiner_sc = sc;

        /* Setup interrupt handler */
	for (i = 0; i < NGRP; i++) {
		err = bus_setup_intr(dev, sc->res[1+i], INTR_TYPE_BIO | \
		    INTR_MPSAFE, NULL, combiner_intr, sc, &sc->ih[i]);
		if (err) {
			device_printf(dev, "Unable to alloc int resource.\n");
			return (ENXIO);
		}
	}

	return (0);
}
开发者ID:ele7enxxh，项目名称:dtrace-pf，代码行数:33，代码来源:exynos5_combiner.c


示例3: mv_wdt_attach

static int
mv_wdt_attach(device_t dev)
{
	struct mv_wdt_softc *sc;
	int error;

	if (wdt_softc != NULL)
		return (ENXIO);

	sc = device_get_softc(dev);
	wdt_softc = sc;

	error = bus_alloc_resources(dev, mv_wdt_spec, &sc->wdt_res);
	if (error) {
		device_printf(dev, "could not allocate resources\n");
		return (ENXIO);
	}

	mtx_init(&sc->wdt_mtx, "watchdog", NULL, MTX_DEF);

	mv_watchdog_disable();
	EVENTHANDLER_REGISTER(watchdog_list, mv_watchdog_event, sc, 0);

	return (0);
}
开发者ID:2trill2spill，项目名称:freebsd，代码行数:25，代码来源:wdt.c


示例4: aw_sid_attach

static int
aw_sid_attach(device_t dev)
{
	struct aw_sid_softc *sc;

	sc = device_get_softc(dev);

	if (bus_alloc_resources(dev, aw_sid_spec, &sc->res) != 0) {
		device_printf(dev, "cannot allocate resources for device\n");
		return (ENXIO);
	}

	aw_sid_sc = sc;

	sc->type = ofw_bus_search_compatible(dev, compat_data)->ocd_data;
	switch (sc->type) {
	case A83T_SID:
		sc->root_key_off = A83T_ROOT_KEY_OFF;
		break;
	default:
		sc->root_key_off = A10_ROOT_KEY_OFF;
		break;
	}

	SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
	    SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
	    OID_AUTO, "rootkey",
	    CTLTYPE_STRING | CTLFLAG_RD,
	    dev, AW_SID_ROOT_KEY, aw_sid_sysctl, "A", "Root Key");

	return (0);
}
开发者ID:2trill2spill，项目名称:freebsd，代码行数:32，代码来源:aw_sid.c


示例5: pxa_icu_attach

static int
pxa_icu_attach(device_t dev)
{
	int	error;
	struct	pxa_icu_softc *sc;

	sc = (struct pxa_icu_softc *)device_get_softc(dev);

	if (pxa_icu_softc != NULL)
		return (ENXIO);
	pxa_icu_softc = sc;

	error = bus_alloc_resources(dev, pxa_icu_spec, sc->pi_res);
	if (error) {
		device_printf(dev, "could not allocate resources\n");
		return (ENXIO);
	}

	sc->pi_bst = rman_get_bustag(sc->pi_res[0]);
	sc->pi_bsh = rman_get_bushandle(sc->pi_res[0]);

	/* Disable all interrupts. */
	pxa_icu_set_icmr(0);

	/* Route all interrupts to IRQ rather than FIQ. */
	pxa_icu_set_iclr(0);

	/* XXX: This should move to configure_final or something. */
	enable_interrupts(I32_bit|F32_bit);

	return (0);
}
开发者ID:edgar-pek，项目名称:PerspicuOS，代码行数:32，代码来源:pxa_icu.c


示例6: al_serdes_attach

static int
al_serdes_attach(device_t dev)
{
	struct al_serdes_softc *sc;
	int err;

	sc = device_get_softc(dev);

	err = bus_alloc_resources(dev, al_serdes_spec, &sc->res);
	if (err != 0) {
		device_printf(dev, "could not allocate resources\n");
		return (err);
	}

	/* Initialize Serdes group locks and mode */
	for (int i = 0; i < nitems(alpine_serdes_eth_group_mode); i++) {
		mtx_init(&alpine_serdes_eth_group_mode[i].lock, "AlSerdesMtx",
		    NULL, MTX_DEF);
		alpine_serdes_eth_group_mode[i].mode_set = false;
	}

	serdes_base = (void *)rman_get_bushandle(sc->res);

	return (0);
}
开发者ID:2trill2spill，项目名称:freebsd，代码行数:25，代码来源:alpine_serdes.c


示例7: htif_attach

static int
htif_attach(device_t dev)
{
    struct htif_softc *sc;
    int error;

    sc = device_get_softc(dev);
    sc->dev = dev;

    if (bus_alloc_resources(dev, htif_spec, sc->res)) {
        device_printf(dev, "could not allocate resources\n");
        return (ENXIO);
    }

    /* Setup IRQs handler */
    error = bus_setup_intr(dev, sc->res[0], INTR_TYPE_CLK,
                           htif_intr, NULL, sc, &sc->ihl[0]);
    if (error) {
        device_printf(dev, "Unable to alloc int resource.\n");
        return (ENXIO);
    }

    csr_set(sie, SIE_SSIE);

    return (htif_enumerate(sc));
}
开发者ID:hmatyschok，项目名称:MeshBSD，代码行数:26，代码来源:htif.c


示例8: ti_aintc_attach

static int
ti_aintc_attach(device_t dev)
{
	struct		ti_aintc_softc *sc = device_get_softc(dev);
	uint32_t x;

	sc->sc_dev = dev;

	if (ti_aintc_sc)
		return (ENXIO);

	if (bus_alloc_resources(dev, ti_aintc_spec, sc->aintc_res)) {
		device_printf(dev, "could not allocate resources\n");
		return (ENXIO);
	}

	sc->aintc_bst = rman_get_bustag(sc->aintc_res[0]);
	sc->aintc_bsh = rman_get_bushandle(sc->aintc_res[0]);

	ti_aintc_sc = sc;

	x = aintc_read_4(INTC_REVISION);
	device_printf(dev, "Revision %u.%u\n",(x >> 4) & 0xF, x & 0xF);

	/* SoftReset */
	aintc_write_4(INTC_SYSCONFIG, 2);

	/* Wait for reset to complete */
	while(!(aintc_read_4(INTC_SYSSTATUS) & 1));

	/*Set Priority Threshold */
	aintc_write_4(INTC_THRESHOLD, 0xFF);

	return (0);
}
开发者ID:ChaosJohn，项目名称:freebsd，代码行数:35，代码来源:aintc.c


示例9: aw_ts_attach

static int
aw_ts_attach(device_t dev)
{
	struct aw_ts_softc *sc;

	sc = device_get_softc(dev);
	sc->dev = dev;

	if (bus_alloc_resources(dev, aw_ts_spec, sc->res) != 0) {
		device_printf(dev, "could not allocate memory resource\n");
		return (ENXIO);
	}

	if (bus_setup_intr(dev, sc->res[1],
	    INTR_TYPE_MISC | INTR_MPSAFE, NULL, aw_ts_intr, sc,
	    &sc->intrhand)) {
		bus_release_resources(dev, aw_ts_spec, sc->res);
		device_printf(dev, "cannot setup interrupt handler\n");
		return (ENXIO);
	}

	/*
	 * Thoses magic values were taken from linux which take them from
	 * the allwinner SDK or found them by deduction
	 */
	switch (ofw_bus_search_compatible(dev, compat_data)->ocd_data) {
	case A10_TS:
		sc->temp_offset = 257000;
		sc->temp_step = 133;
		break;
	case A13_TS:
		sc->temp_offset = 144700;
		sc->temp_step = 100;
		break;
	}

	/* Enable clock and set divisers */
	WRITE(sc, TP_CTRL0, TP_CTRL0_CLK_SELECT(0) |
	  TP_CTRL0_CLK_DIV(2) |
	  TP_CTRL0_FS_DIV(7) |
	  TP_CTRL0_TACQ(63));

	/* Enable TS module */
	WRITE(sc, TP_CTRL1, TP_CTRL1_MODE_EN);

	/* Enable Temperature, period is ~2s */
	WRITE(sc, TP_TPR, TP_TPR_TEMP_EN | TP_TPR_TEMP_PERIOD(1953));

	/* Enable temp irq */
	WRITE(sc, TP_FIFOC, TP_FIFOC_TEMP_IRQ_ENABLE);

	/* Add sysctl */
	SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
	    SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
	    OID_AUTO, "temperature", CTLTYPE_INT | CTLFLAG_RD,
	    &sc->temp_data, 0, sysctl_handle_int,
	    "IK3", "CPU Temperature");

	return (0);
}
开发者ID:2trill2spill，项目名称:freebsd，代码行数:60，代码来源:aw_ts.c


示例10: aml8726_ccm_attach

static int
aml8726_ccm_attach(device_t dev)
{
	struct aml8726_ccm_softc *sc = device_get_softc(dev);

	sc->dev = dev;

	switch (aml8726_soc_hw_rev) {
	case AML_SOC_HW_REV_M3:
		sc->soc = aml8726_m3_ccm;
		break;
	case AML_SOC_HW_REV_M6:
		sc->soc = aml8726_m6_ccm;
		break;
	case AML_SOC_HW_REV_M8:
		sc->soc = aml8726_m8_ccm;
		break;
	case AML_SOC_HW_REV_M8B:
		sc->soc = aml8726_m8b_ccm;
		break;
	default:
		device_printf(dev, "unsupported SoC\n");
		return (ENXIO);
		/* NOTREACHED */
	}

	if (bus_alloc_resources(dev, aml8726_ccm_spec, sc->res)) {
		device_printf(dev, "can not allocate resources for device\n");
		return (ENXIO);
	}

	AML_CCM_LOCK_INIT(sc);

	return (aml8726_ccm_configure_gates(sc));
}
开发者ID:2asoft，项目名称:freebsd，代码行数:35，代码来源:aml8726_ccm.c


示例11: gem_sbus_attach

static int
gem_sbus_attach(device_t dev)
{
	struct gem_softc *sc;
	int burst;
	uint32_t val;

	sc = device_get_softc(dev);
	sc->sc_variant = GEM_SUN_GEM;
	sc->sc_dev = dev;
	/* All known SBus models use a SERDES. */
	sc->sc_flags = GEM_SERDES;

	if (bus_alloc_resources(dev, gem_sbus_res_spec, sc->sc_res)) {
		device_printf(dev, "failed to allocate resources\n");
		bus_release_resources(dev, gem_sbus_res_spec, sc->sc_res);
		return (ENXIO);
	}

	GEM_LOCK_INIT(sc, device_get_nameunit(dev));

	OF_getetheraddr(dev, sc->sc_enaddr);

	burst = sbus_get_burstsz(dev);
	val = GEM_SBUS_CFG_PARITY;
	if ((burst & SBUS_BURST64_MASK) != 0) {
		val |= GEM_SBUS_CFG_64BIT;
		burst >>= SBUS_BURST64_SHIFT;
	}
开发者ID:edgar-pek，项目名称:PerspicuOS，代码行数:29，代码来源:if_gem_sbus.c


示例12: schppm_attach

static int
schppm_attach(device_t dev)
{
	struct schppm_softc *sc;

	sc = device_get_softc(dev);
	if (bus_alloc_resources(dev, schppm_res_spec, sc->sc_res)) {
		device_printf(dev, "failed to allocate resources\n");
		bus_release_resources(dev, schppm_res_spec, sc->sc_res);
		return (ENXIO);
	}

	if (bootverbose) {
		device_printf(dev, "running at ");
		switch (SCHPPM_READ(sc, SCHPPM_ESTAR, SCHPPM_ESTAR_CTRL) &
		    SCHPPM_ESTAR_CTRL_MASK) {
		case SCHPPM_ESTAR_CTRL_1:
			printf("full");
			break;
		case SCHPPM_ESTAR_CTRL_2:
			printf("half");
			break;
		case SCHPPM_ESTAR_CTRL_32:
			printf("1/32");
			break;
		default:
			printf("unknown");
			break;
		}
		printf(" speed\n");
	}

	return (0);
}
开发者ID:JabirTech，项目名称:Source，代码行数:34，代码来源:schppm.c


示例13: ti_pinmux_attach

/**
 *	ti_pinmux_attach - attaches the pinmux to the simplebus
 *	@dev: new device
 *
 *	RETURNS
 *	Zero on success or ENXIO if an error occuried.
 */
static int
ti_pinmux_attach(device_t dev)
{
	struct ti_pinmux_softc *sc = device_get_softc(dev);

#if 0
	if (ti_pinmux_sc)
		return (ENXIO);
#endif

	sc->sc_dev = dev;

	if (bus_alloc_resources(dev, ti_pinmux_res_spec, sc->sc_res)) {
		device_printf(dev, "could not allocate resources\n");
		return (ENXIO);
	}

	sc->sc_bst = rman_get_bustag(sc->sc_res[0]);
	sc->sc_bsh = rman_get_bushandle(sc->sc_res[0]);

	if (ti_pinmux_sc == NULL)
		ti_pinmux_sc = sc;

	fdt_pinctrl_register(dev, "pinctrl-single,pins");
	fdt_pinctrl_configure_tree(dev);

	return (0);
}
开发者ID:hrs-allbsd，项目名称:freebsd，代码行数:35，代码来源:ti_pinmux.c


示例14: mv_twsi_attach

static int
mv_twsi_attach(device_t dev)
{
	struct mv_twsi_softc *sc;

	sc = device_get_softc(dev);
	sc->dev = dev;

	mtx_init(&sc->mutex, device_get_nameunit(dev), MV_TWSI_NAME, MTX_DEF);

	/* Allocate IO resources */
	if (bus_alloc_resources(dev, res_spec, sc->res)) {
		device_printf(dev, "could not allocate resources\n");
		mv_twsi_detach(dev);
		return (ENXIO);
	}

	sc->iicbus = device_add_child(dev, "iicbus", -1);
	if (sc->iicbus == NULL) {
		device_printf(dev, "could not add iicbus child\n");
		mv_twsi_detach(dev);
		return (ENXIO);
	}

	bus_generic_attach(dev);
	return (0);
}
开发者ID:dcui，项目名称:FreeBSD-9.3_kernel，代码行数:27，代码来源:twsi.c


示例15: i2c_attach

static int
i2c_attach(device_t dev)
{
	struct i2c_softc *sc;

	sc = device_get_softc(dev);
	sc->dev = dev;

	mtx_init(&sc->mutex, device_get_nameunit(dev), "I2C", MTX_DEF);

	if (bus_alloc_resources(dev, i2c_spec, sc->res)) {
		device_printf(dev, "could not allocate resources\n");
		return (ENXIO);
	}

	/* Memory interface */
	sc->bst = rman_get_bustag(sc->res[0]);
	sc->bsh = rman_get_bushandle(sc->res[0]);

	WRITE1(sc, I2C_IBIC, IBIC_BIIE);

	sc->iicbus = device_add_child(dev, "iicbus", -1);
	if (sc->iicbus == NULL) {
		device_printf(dev, "could not add iicbus child");
		mtx_destroy(&sc->mutex);
		return (ENXIO);
	}

	bus_generic_attach(dev);

	return (0);
}
开发者ID:Alkzndr，项目名称:freebsd，代码行数:32，代码来源:vf_i2c.c


示例16: pio_attach

static int
pio_attach(device_t dev)
{
	struct pio_softc *sc;
	struct fdt_ic *fic;
	phandle_t node;

	sc = device_get_softc(dev);
	sc->dev = dev;

	if (bus_alloc_resources(dev, pio_spec, sc->res)) {
		device_printf(dev, "could not allocate resources\n");
		return (ENXIO);
	}

	/* Memory interface */
	sc->bst = rman_get_bustag(sc->res[0]);
	sc->bsh = rman_get_bushandle(sc->res[0]);

	if ((node = ofw_bus_get_node(sc->dev)) == -1)
		return (ENXIO);

	fic = malloc(sizeof(*fic), M_DEVBUF, M_WAITOK|M_ZERO);
	fic->iph = node;
	fic->dev = dev;
	SLIST_INSERT_HEAD(&fdt_ic_list_head, fic, fdt_ics);

	return (0);
}
开发者ID:hmatyschok，项目名称:MeshBSD，代码行数:29，代码来源:pio.c


示例17: twsi_attach

int
twsi_attach(device_t dev)
{
	struct twsi_softc *sc;

	sc = device_get_softc(dev);
	sc->dev = dev;

	mtx_init(&sc->mutex, device_get_nameunit(dev), "twsi", MTX_DEF);

	if (bus_alloc_resources(dev, res_spec, sc->res)) {
		device_printf(dev, "could not allocate resources\n");
		twsi_detach(dev);
		return (ENXIO);
	}

	/* Attach the iicbus. */
	if ((sc->iicbus = device_add_child(dev, "iicbus", -1)) == NULL) {
		device_printf(dev, "could not allocate iicbus instance\n");
		twsi_detach(dev);
		return (ENXIO);
	}
	bus_generic_attach(dev);

	return (0);
}
开发者ID:2trill2spill，项目名称:freebsd，代码行数:26，代码来源:twsi.c


示例18: mv_cp110_icu_attach

static int
mv_cp110_icu_attach(device_t dev)
{
	struct mv_cp110_icu_softc *sc;
	phandle_t node, msi_parent;

	sc = device_get_softc(dev);
	sc->dev = dev;
	node = ofw_bus_get_node(dev);

	if (OF_getencprop(node, "msi-parent", &msi_parent,
	    sizeof(phandle_t)) <= 0) {
		device_printf(dev, "cannot find msi-parent property\n");
		return (ENXIO);
	}

	if ((sc->parent = OF_device_from_xref(msi_parent)) == NULL) {
		device_printf(dev, "cannot find msi-parent device\n");
		return (ENXIO);
	}
	if (bus_alloc_resources(dev, mv_cp110_icu_res_spec, &sc->res) != 0) {
		device_printf(dev, "cannot allocate resources for device\n");
		return (ENXIO);
	}

	if (intr_pic_register(dev, OF_xref_from_node(node)) == NULL) {
		device_printf(dev, "Cannot register ICU\n");
		goto fail;
	}
	return (0);

fail:
	bus_release_resources(dev, mv_cp110_icu_res_spec, &sc->res);
	return (ENXIO);
}
开发者ID:FreeBSDFoundation，项目名称:freebsd，代码行数:35，代码来源:mv_cp110_icu.c


示例19: spi_attach

static int
spi_attach(device_t dev)
{
	struct spi_softc *sc;
	uint32_t reg;

	sc = device_get_softc(dev);

	if (bus_alloc_resources(dev, spi_spec, sc->res)) {
		device_printf(dev, "could not allocate resources\n");
		return (ENXIO);
	}

	/* Memory interface */
	sc->bst = rman_get_bustag(sc->res[0]);
	sc->bsh = rman_get_bushandle(sc->res[0]);

	reg = READ4(sc, SPI_MCR);
	reg |= MCR_MSTR;
	reg &= ~(MCR_CONT_SCKE | MCR_MDIS | MCR_FRZ);
	reg &= ~(MCR_PCSIS_M << MCR_PCSIS_S);
	reg |= (MCR_PCSIS_M << MCR_PCSIS_S);	/* PCS Active low */
	reg |= (MCR_CLR_TXF | MCR_CLR_RXF);
	WRITE4(sc, SPI_MCR, reg);

	reg = READ4(sc, SPI_RSER);
	reg |= RSER_EOQF_RE;
	WRITE4(sc, SPI_RSER, reg);

	reg = READ4(sc, SPI_MCR);
	reg &= ~MCR_HALT;
	WRITE4(sc, SPI_MCR, reg);

	reg = READ4(sc, SPI_CTAR0);
	reg &= ~(CTAR_FMSZ_M << CTAR_FMSZ_S);
	reg |= (CTAR_FMSZ_8 << CTAR_FMSZ_S);
	/*
	 * TODO: calculate BR
	 * SCK baud rate = ( fsys / PBR ) * (1 + DBR) / BR
	 *
	 * reg &= ~(CTAR_BR_M << CTAR_BR_S);
	 */
	reg &= ~CTAR_CPOL; /* Polarity */
	reg |= CTAR_CPHA;
	/*
	 * Set LSB (Less significant bit first)
	 * must be used for some applications, e.g. some LCDs
	 */
	reg |= CTAR_LSBFE;
	WRITE4(sc, SPI_CTAR0, reg);

	reg = READ4(sc, SPI_CTAR0);
	reg &= ~(CTAR_PBR_M << CTAR_PBR_S);
	reg |= (CTAR_PBR_7 << CTAR_PBR_S);
	WRITE4(sc, SPI_CTAR0, reg);

	device_add_child(dev, "spibus", 0);
	return (bus_generic_attach(dev));
}
开发者ID:Alkzndr，项目名称:freebsd，代码行数:59，代码来源:vf_spi.c


示例20: mtk_pic_attach

static int
mtk_pic_attach(device_t dev)
{
	struct mtk_pic_softc *sc;
	intptr_t xref = pic_xref(dev);

	sc = device_get_softc(dev);

	if (bus_alloc_resources(dev, mtk_pic_spec, sc->pic_res)) {
		device_printf(dev, "could not allocate resources\n");
		return (ENXIO);
	}

	sc->pic_dev = dev;

	/* Initialize mutex */
	mtx_init(&sc->mutex, "PIC lock", "", MTX_SPIN);

	/* Set the number of interrupts */
	sc->nirqs = nitems(sc->pic_irqs);

	/* Mask all interrupts */
	WRITE4(sc, MTK_INTDIS, 0xFFFFFFFF);

	/* But enable interrupt generation/masking */
	WRITE4(sc, MTK_INTENA, 0x00000000);

	/* Set all interrupts to type 0 */
	WRITE4(sc, MTK_INTTYPE, 0xFFFFFFFF);

	/* Register the interrupts */
	if (mtk_pic_register_isrcs(sc) != 0) {
		device_printf(dev, "could not register PIC ISRCs\n");
		goto cleanup;
	}

	/*
	 * Now, when everything is initialized, it's right time to
	 * register interrupt controller to interrupt framefork.
	 */
	if (intr_pic_register(dev, xref) == NULL) {
		device_printf(dev, "could not register PIC\n");
		goto cleanup;
	}

	if (bus_setup_intr(dev, sc->pic_res[1], INTR_TYPE_CLK,
	    mtk_pic_intr, NULL, sc, &sc->pic_intrhand)) {
		device_printf(dev, "could not setup irq handler\n");
		intr_pic_deregister(dev, xref);
		goto cleanup;
	}
	return (0);

cleanup:
	bus_release_resources(dev, mtk_pic_spec, sc->pic_res);
	return(ENXIO);
}
开发者ID:2asoft，项目名称:freebsd，代码行数:57，代码来源:mtk_intr_v2.c



注：本文中的bus_alloc_resources函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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